UCD2A331MNJ1MS

The UCD2A331MNJ1MS is a chip-type, low-impedance aluminum electrolytic capacitor designed for surface mounting on high-density printed circuit boards. It combines high capacitance and 100 V voltage rating with SMD packaging compatible with automated tape-fed assembly.

Engineered for demanding temperature environments, this part is RoHS compliant and AEC-Q200 qualified, making it suitable for automotive applications and other systems that require qualified, long-life capacitors operating up to +105°C.

Key Features

• Electrochemical Performance — 330 µF capacitance with a rated voltage of 100 V and capacitance tolerance of ±20% (120 Hz, 20°C).
• Low Impedance Design — Chip-type low impedance construction with specified ripple current capability: 458.5 mA at 120 Hz and 917 mA at 10 kHz.
• Wide Temperature Range — Operates from −55°C to +105°C, supporting designs exposed to wide thermal variation.
• High-Temperature Endurance — Rated for 5000 hours at 105°C under specified conditions, supporting long-term reliability at elevated temperatures.
• Leakage Current Specification — After 2 minutes at rated voltage and 20°C, leakage current is ≤ 0.01 CV or 3 μA, whichever is greater.
• Surface-Mount Package — Radial can SMD chip package designed for placement on high-density PCBs and compatible with automatic mounting machines fed with carrier tape.
• Physical Dimensions & Land Pattern — Part dimensions approximately L: 1.65 × D: 1.8 cm with recommended surface-mount land size L: 1.83 × W: 1.83 cm.
• Compliance & Qualification — RoHS compliant and AEC-Q200 qualified for use in applications requiring established component qualification.

Typical Applications

• Automotive Electronics — AEC-Q200 qualification and high-temperature endurance make this capacitor suitable for vehicle control modules and other in-vehicle electronics.
• High-Density PCBs — Chip-type SMD form factor is intended for compact, densely populated circuit boards where board space and automated placement matter.
• Automated Assembly Lines — Designed for use with automatic mounting machines fed by carrier tape to support high-volume, repeatable production.
• Thermally Demanding Environments — Rated for continuous operation up to +105°C and a low-temperature limit of −55°C for broad environmental tolerance.

Unique Advantages

• AEC-Q200 Qualified: Provides a recognized qualification level for automotive and other reliability-focused designs.
• High Voltage and Large Capacitance: 330 µF at 100 V supports energy storage needs where both voltage and capacitance are required.
• Proven High-Temperature Endurance: 5000 hours at 105°C supports long-term operation in hot environments, reducing maintenance and replacement frequency.
• Low Impedance and Ripple Handling: Specified ripple current ratings at 120 Hz and 10 kHz enable effective smoothing and decoupling in power circuits.
• SMT-Ready Packaging: Radial can SMD format and carrier-tape compatibility streamline automated assembly and improve manufacturing throughput.
• RoHS Compliance: Conforms to applicable RoHS directives for regulated materials, supporting regulatory and sustainability requirements.

Why Choose UCD2A331MNJ1MS?

The UCD2A331MNJ1MS positions itself as a reliable, high-capacitance SMD aluminum electrolytic solution for designs that require robust thermal performance, AEC-Q200 qualification, and automated assembly compatibility. Its combination of 330 µF at 100 V, low impedance characteristics, and specified ripple current ratings make it appropriate where both energy storage and ripple handling are needed under elevated temperatures.

This part is well suited for engineers and procurement teams building automotive-grade or other reliability-focused electronics on high-density PCBs who need a component with defined endurance, leakage, and thermal specifications from a qualified manufacturer.

Request a quote or submit an RFQ for UCD2A331MNJ1MS to receive pricing, availability, and lead-time information tailored to your project needs.